Premium Grade a Quartz Fused Silica Sand for Fine Casting

Premium Grade a Quartz Fused Silica Sand for Fine Casting. High Purity SiO2: SiO2 content exceeds 99.95% with minimal impurities like Fe2O3 and Al2O3. Near Zero Thermal Expansion: Coefficient of thermal expansion is only 0.1, ensuring extreme thermal stability. Customizable Color: Available in White or Transparent options to meet specific aesthetic needs. ISO Certified Quality: Product meets ISO certification standards for reliability and performance. Versatile Applications: Suitable for Rubber, Chemical, Construction, Ceramic, Glass, and Fine Casting. OEM/ODM Support: Company offers both OEM and ODM services for customized production needs. Stable Particle Size: Special processing ensures circular particles with large packing density.